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 Posted: Fri 11:48, 18 Mar 2011 Post subject: belstaff italia HRCT scans of emphysema analysis o |
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,[link widoczny dla zalogowanych]
HRCT scans of emphysema analysis of dual
TLCS short period of time to obtain the value of the respiratory cycle in lung CT information changed or reduce artifacts and improve spatial resolution. Reduce the volume effect,[link widoczny dla zalogowanych], HRCT emphysema examination in a significant advantage. 3.2iF emphysema usually end inspiration CT group and the comparison value: the value of ordinary people the lungs at end inspiration CT measurements have been many reports abroad. CT scans were normal, only Masahiko is measured by HRCT in 6 cases of ordinary people inhale the end of the average CT value of one whole lung (884 ~ 35) Hu,[link widoczny dla zalogowanych], similar to the results of this article. Emphysema in this group also showed that when patients with end inspiration CT is a 902.2Hu. With the normal group difference of about 14Hu, the difference was not statistically significant, so the value at end inspiration CT measurement of pulmonary emphysema does not help the diagnosis. 3.3 The normal end-expiratory lung with emphysema the average CT value of the comparison: in the respiratory cycle on pulmonary CT changes in the value of few reports, the country will also only use the Beijing Hospital as electron beam CT study, they measured iE ordinary people,[link widoczny dla zalogowanych], the average end-expiratory CT is ~ (623 ~ 59) Hu, higher than at end inspiration increased 197Hum. Foreign instrument, see Webb measured in 10 healthy men,[link widoczny dla zalogowanych], the reported end-expiratory CT value than the average increase in end inspiratory (200 ~ 30) Hu, and our end-expiratory HRCT results are the average health value of a 695.1Hu CT than at end inspiration increased 193Hu. The end-expiratory CT emphysema, less the value of the measurement, our study showed normal end-expiratory lung and emphysema differences between the average CT value was significant. P <0.001. The average end-expiratory emphysema group as a 881.9Hu, the question of their difference of respiratory 20.3Hu, only 1 case of the difference over 100Hu. Our comparison of results with Stem1 ~ approximate. Therefore, we also believe that the lung is smaller than the difference between the average CT value of the retention of gas 100Hu said. Than 100Hu normal. Rosenblum first proposed such as the lung CT density measurement in the diagnosis of emphysema. His loyalty in 29 healthy volunteers and found 4 cases of emphysema, pulmonary emphysema patients with different degrees of density lower than normal, the difference was significant. Lung density measurement requires a practical, convenient and time saving method. We use the 18 small peripheral lung regions were. Emphysema in these areas is the main failure location. Some people may be raised, not representative of the 18 small regions, the average CT value of the whole lung. This point. Here-mans151 and Kinsella ~ The research was supported by proof. The results of two methods is almost entirely related to children.
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